CN114987405A - Double-locking type battery replacing system for battery replacing type electric automobile - Google Patents
Double-locking type battery replacing system for battery replacing type electric automobile Download PDFInfo
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- CN114987405A CN114987405A CN202210608995.4A CN202210608995A CN114987405A CN 114987405 A CN114987405 A CN 114987405A CN 202210608995 A CN202210608995 A CN 202210608995A CN 114987405 A CN114987405 A CN 114987405A
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- 230000005611 electricity Effects 0.000 description 14
- 238000005096 rolling process Methods 0.000 description 7
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Abstract
The invention belongs to the field of electric automobile battery replacing devices, and particularly relates to a double-locking type battery replacing system for a battery replacing type electric automobile. The specific technical scheme is as follows: including a plurality of electric platforms of trading, every trade electric platform and correspond a car model, every trade electric platform and set up at least two and the electric device that trades that the car model corresponds, trade electric device and load and change full/insufficient battery, be located two trade between the electric section unified, fixed position, two the guide rail top is provided with reciprocating motion's supplementary power supply unit, supplementary power supply unit is for supplementary control system on the car, the power consumption equipment power supply and remove along with the car is with fast. In the process of replacing the battery, the system controls the unmanned device on the automobile to work, the battery can be automatically replaced in the whole replacing process, and compared with a traditional battery replacing platform system, the system does not need to adjust the position of the guide rail and replace the position of the device, and has higher working efficiency.
Description
The application has the following application numbers: 202110150333.2, filing date: 2021-02-03, patent name "power exchanging system and method for power exchanging of electric vehicle with auxiliary driving function".
Technical Field
The invention belongs to the field of electric automobile battery replacing devices, and particularly relates to a double-locking type battery replacing system for a battery replacing type electric automobile.
Background
The electric vehicle has two electricity supplementing modes of charging and battery replacement, the replacement of the battery can complete electric energy supplement in a short time, and the service life of the power battery is not obviously influenced, so that the replacement of the battery is the main development direction of electric vehicle electric energy supplement.
The battery replacement is usually completed in a battery charging and replacing station, a battery cabin for storing the battery, a battery replacing platform and a battery replacing robot for carrying full/insufficient electric power batteries are arranged in the battery charging and replacing station, and the battery replacing robot can run between the battery cabin and the battery replacing platform in a reciprocating manner. When the battery is replaced, a driver needs to drive the electric automobile to run to the battery replacing device area and cut off the power supply of the automobile, and then the electric automobile runs out of the battery replacing device area after the battery is replaced, so that a complete battery replacing period is calculated, and a manufacturer publicizes the battery replacing period only by considering the time for replacing the battery and does not consider the time for driving the automobile into/out of the battery replacing device area, so that the user often feels that the actual replacing time is longer than the publicizing time for replacing the battery.
The time for changing the battery is also longer because the time for driving, stopping, powering off and powering on can not be controlled. When the number of the cars to be charged is small, the charging equipment can still be normally used; in areas with very large traffic flow (such as expressway service areas), there are very many cars to be changed, and due to the long time for changing batteries, a plurality of battery changing devices are often required to meet the requirements, but the cost of the battery changing equipment is increased under the condition. Therefore, when replacing the battery, a dual-locking type battery replacement system for a battery replacement electric vehicle is needed to effectively improve the replacement efficiency and reduce the battery replacement time.
Disclosure of Invention
The invention aims to provide a double-locking type battery replacement system for a battery replacement type electric automobile.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: the double-locking type battery replacement system for the battery replacement electric automobile comprises a plurality of battery replacement platforms, wherein each battery replacement platform corresponds to one automobile model and comprises two guide rails which are parallel to each other, the two guide rails are provided with U-shaped grooves for limiting the driving track of the automobile, the distance between the two guide rails is consistent with the distance between automobile wheels of the corresponding model, and the two guide rails are both provided with a battery replacement section which is higher than the ground; each battery replacement platform is provided with at least two battery replacement devices corresponding to the automobile models, the battery replacement devices are used for loading and replacing full/loss batteries and are located at the unified and fixed positions between the two battery replacement sections; the battery is arranged in the battery box, a battery cavity for accommodating the battery box is arranged on the automobile chassis, and the battery box is fixed on the automobile chassis through the locking device; and an auxiliary power supply device which reciprocates is arranged above the two guide rails, supplies power to an auxiliary control system and electric equipment on the automobile and moves at the same speed with the automobile.
Preferably: the two battery replacing sections are respectively provided with a locking device, the locking device comprises a first baffle and a second baffle which are driven by a first motor and a second motor to lift, and the first baffle and the second baffle are symmetrically arranged on the two guide rails along the traveling direction; the first baffle abuts against the front wheels of the automobile, and the second baffle abuts against the rear wheels of the automobile; a first pressure sensor is arranged on the same guide rail and between the first baffle and the second baffle, and a second pressure sensor is arranged on the first baffle and on the contact surface of the first baffle and the wheels.
Preferably, the following components: the locking device comprises a first locking mechanism, the first locking mechanism comprises a plurality of first lugs movably arranged on the upper surface of the battery box, the first lugs are hemispheroids with upward horizontal surfaces, a first groove with a downward opening and corresponding to the first lugs is arranged at the top of the battery cavity, and the radius of the first groove is slightly larger than that of the first lugs;
the lower end of the first groove is provided with a cushion block, the cushion block is elastic and annular, the radius of the inner circumference of the cushion block is smaller than that of the first bump, the radius of the outer circumference of the cushion block is larger than that of the first bump, the outer circumference end of the cushion block is fixedly embedded into the automobile chassis, and the inner circumference end of the cushion block is positioned in the first groove;
an electromagnet is arranged at the inner top of the first groove, a magnetic block corresponding to the electromagnet is arranged on the upper surface of the first bump, and after the electromagnet is electrified, repulsive force is generated between the electromagnet and the magnet to drive the battery box to move downwards so that the first bump is separated from the first groove.
Preferably: the locking device comprises a second locking mechanism, the second locking mechanism comprises a '>' shaped groove arranged on one side wall of the battery box, a second groove corresponding to the '>' shaped groove is arranged on the side wall of the battery cavity opposite to the '>' shaped groove, a first compression spring is fixedly arranged in the second groove, a first wedge-shaped block is fixedly arranged at the other end of the first compression spring, one end, far away from the first compression spring, of the first wedge-shaped block is a '>' shaped wedge end, and the wedge-shaped end of the first wedge-shaped block is driven by the first compression spring to be clamped with the '>' shaped groove; the upper end of the side wall of the battery box provided with the '>' shaped groove is also provided with a '/' shaped first wedge-shaped surface;
or/and the other side walls of the battery box are provided with a < "> shaped groove, the side wall of the battery cavity opposite to the <" > shaped groove is provided with a second groove corresponding to the < "> shaped groove, a first compression spring is fixedly arranged in the second groove, the other end of the first compression spring is fixedly provided with a second wedge-shaped block, one end, far away from the first compression spring, of the second wedge-shaped block is a <" > shaped wedge-shaped end, and the first compression spring drives the wedge-shaped end of the second wedge-shaped block to be clamped with the < "> shaped groove; the upper end of the side wall of the battery box provided with the '<' -shaped groove is also provided with a '\' shaped second wedge-shaped surface.
Preferably: the first wedge-shaped block and the second wedge-shaped block are provided with accommodating grooves for accommodating limiting blocks, the limiting blocks are connected with the bottoms of the accommodating grooves through telescopic rods, second compression springs are hollow and fixedly arranged in the telescopic rods, and the telescopic rods are driven to extend by the second compression springs;
the limiting groove corresponding to the limiting block is arranged in the second groove, the side wall, facing the battery box and close to the first compression spring, of the limiting groove is a minor arc surface with a central angle smaller than 90 degrees, the side wall, facing the battery box and close to the first compression spring, of the limiting block is a minor arc surface with a central angle smaller than 90 degrees, and the radius of the minor arc surface of the side wall of the limiting block is smaller than that of the minor arc surface of the side wall of the limiting groove.
Preferably, the following components: the locking device comprises a second locking mechanism, the second locking mechanism comprises a third groove arranged on the side wall of the battery box, a third spring is fixedly arranged in the third groove, a fourth groove corresponding to the third groove is arranged on the inner wall of the battery cavity, a hollow telescopic cylinder is arranged in the fourth groove, one end of the telescopic cylinder is communicated with an oil cavity controlled by a hydraulic system, and a push block is fixedly arranged at the other end of the telescopic cylinder.
Preferably, the following components: a support plate driven by a third motor is arranged on the automobile chassis in a sliding manner, the support plate supports the battery box, and a rack meshed with the gear is arranged on the upper surface of the support plate along the sliding direction; and clamping blocks are arranged on the side wall of the supporting plate, which is perpendicular to the sliding direction and far away from the rack, and clamping grooves corresponding to the clamping blocks are arranged on the automobile chassis.
Preferably: the auxiliary control system is arranged on an automobile and comprises a power supply control circuit, wherein a digital voltage meter, a first relay and a second relay are sequentially arranged on the power supply control circuit, the signal output end of the digital voltage meter is connected with a first controller, the first relay controls the opening and closing of an auxiliary power supply line of the automobile, and the second relay controls the opening and closing of a main power supply line of the automobile; the battery replacement system further comprises a second controller, wherein the second controller controls the battery replacement device to replace the battery and controls the start and stop of the first motor and the second motor.
Correspondingly: the battery replacing method of the double-locking type battery replacing system for the battery replacing electric automobile comprises the following steps:
a1, detecting the automobile model when the automobile enters the battery replacement station, guiding the automobile to enter a corresponding battery replacement platform waiting area by the unmanned device, waiting for the previous automobile to exit the battery replacement area, and leaving the automobile by the current automobile driver;
a2, when a previous automobile exits the power conversion area, the auxiliary power supply device is connected with the auxiliary power supply line, the digital voltmeter detects a voltage signal and transmits the voltage signal to the first controller, and the first controller controls the first relay to be opened and the second relay to be closed; meanwhile, the second controller controls the battery replacement device loaded with the full batteries to enter a designated area for replacing the batteries;
a3, controlling an unmanned device to drive a current automobile to enter a guide rail and enter an electricity changing section by a first controller, detecting a pressure signal by a first pressure sensor and transmitting the pressure signal to a second controller, controlling a first motor to start by the second controller, controlling a first baffle to ascend to limit the automobile to advance, detecting the pressure signal by a second pressure sensor and transmitting the pressure signal to the second controller, controlling a second motor to start by the second controller, and controlling the second baffle to ascend to limit the automobile to retreat;
a4, the first controller controls the supporting plate to move to open the battery cavity, the electromagnet is controlled to be electrified to push the old battery box to move downwards, the locking effect of the first locking mechanism and the second locking mechanism on the old battery box is invalid, and the old battery box falls onto the battery replacement device;
a5, a second controller controls the battery replacement device to ascend to push a new battery box to move upwards, the first locking mechanism and the second locking mechanism lock the new battery box, and the support plate moves to close the battery cavity;
a6, a second controller controls the battery replacing device loaded with a deficient battery to move to the battery bin to replace the full battery, controls the other battery replacing device loaded with the full battery to move to a designated area for replacing the battery, controls the first baffle and the second baffle to descend, controls the unmanned device to work to drive the automobile out of the battery replacing platform, and controls the next automobile to drive in the battery replacing section to replace the battery.
Preferably, the following components: in the step a1, the automobiles of different models correspond to different battery replacement platforms, and each battery replacement platform is provided with a guide rail corresponding to the automobiles of different models, a battery model, and a battery replacement region for the battery replacement device.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, a plurality of battery replacement platforms are arranged in the battery replacement station, each platform corresponds to one electric vehicle model, the position of a guide rail, the position of a battery replacement device, the model of a battery and the like in each platform are fixed and unified and correspond to the vehicle models one by one, a user only needs to enter the corresponding battery replacement platform according to the vehicle model to replace the battery, the position of the guide rail does not need to be adjusted according to the vehicle model, and the time for adjusting the position of the guide rail is saved; the battery replacing position of the battery replacing device is fixed and uniform, and the position of the battery on the automobile does not need to be judged again according to the automobile model, so that the position of the battery replacing device is positioned, and the time for repositioning the battery replacing device is saved.
2. According to the invention, the auxiliary power supply device is arranged in the battery replacing platform, the auxiliary power supply device supplies power to the auxiliary control system and the electric equipment on the automobile and moves along with the automobile at the same speed, the system controls the unmanned device on the automobile to work in the battery replacing process, and unmanned automatic battery replacement can be realized in the whole replacing process.
3. According to the battery mounting structure, the electromagnetic locking device and the mechanical locking device are arranged at the top of the battery box, the mechanical locking device is arranged on the side wall of the battery box, the positions of the battery box in the horizontal direction and the vertical direction in the battery cavity are limited, and friction between the battery box and the inner wall of the battery cavity caused by shaking of a vehicle body in the driving process of a vehicle is avoided; two kinds of locking devices are arranged, the battery box can be more stably fixed in the battery cavity, and if one of the locking devices fails, the other locking device can lock the battery box.
Drawings
FIG. 1 is a schematic structural diagram of a battery swapping platform according to the present invention;
FIG. 2 is a schematic structural diagram of one embodiment of a second locking mechanism of the present invention;
FIG. 3 is a schematic view of a portion A of FIG. 2;
FIG. 4 is a schematic view of a portion B of FIG. 2;
FIG. 5 is a schematic view of a portion C of FIG. 2;
FIG. 6 is a schematic structural view of another embodiment of a second locking mechanism of the present invention;
FIG. 7 is a schematic view of a portion D of FIG. 6;
in the figure: the battery box comprises a battery box 1, a battery cavity 11, a first locking mechanism 2, a first bump 21, an electromagnet 22, a first groove 23, a cushion block 24 and a rolling ball 25; the second groove 31, the first compression spring 32, the first wedge 33, the accommodating groove 34, the limiting block 35, the limiting groove 36, the outer cylinder 37, the inner cylinder 38 and the second compression spring 39; a third groove 41, a third spring 42, a push block 43, a fourth groove 44, a telescopic cylinder 45 and an oil cavity 46; the supporting plate 51, the clamping block 52, the rack 53, the gear 54 and the second sliding groove 55; the automobile chassis 6, a first pressure sensor 61, a first baffle 62, a second baffle 63, an auxiliary power supply device 64 and a battery replacement device 65.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the dual-locking type battery replacement system for the battery replacement type electric vehicle comprises a plurality of battery replacement platforms, each battery replacement platform corresponds to one vehicle model, and when the vehicle enters a station, the vehicle is guided to enter the corresponding battery replacement platform according to the vehicle model to replace the battery; each electricity changing platform comprises two parallel guide rails for driving the automobile, the two guide rails are provided with U-shaped grooves for limiting the driving track of the automobile, the driving direction of the automobile is prevented from deviating from the guide rails, the safety of the electricity changing process is ensured, the distance between the two guide rails is consistent with the distance between the wheels on the left side and the right side of the automobile of the corresponding model, the automobile wheels are positioned on the guide rails during driving, all the automobiles of the same model entering the electricity changing platform run on the guide rails at constant speed and at the same speed, the two guide rails comprise two slope sections and an electricity changing section arranged between the two slope sections, the two electricity changing sections are higher than the ground, an electricity changing device 65 is arranged between the two electricity changing sections, the batteries of the corresponding model are replaced when the automobile is not driven to the electricity changing section, the height of the electricity changing device 65 is lower than that of the guide rails of the electricity changing section, in order to enable the automobile to better drive in and drive out of the electricity changing section, the other ends of the two slope sections are also provided with horizontal sections, it should be noted that the inclination angle of the two slope sections is 10-30 degrees; each battery replacing platform is provided with at least two battery replacing devices 65 corresponding to the automobile models, namely the battery models carried by the battery replacing devices 65 are matched with the automobile models, the battery replacing devices 65 are moved and positioned to the position right below the automobile chassis 6 for storing the batteries according to the automobile models in advance, full/loss batteries are loaded and replaced, and the batteries are arranged on the automobile chassis 6 through locking devices.
A ceiling is arranged above the two guide rails, an auxiliary power supply device 64 capable of reciprocating is arranged on the ceiling, the auxiliary power supply device 64 comprises an auxiliary power supply and an auxiliary controller, the auxiliary power supply CAN be a storage battery and a single battery connected in parallel or in series, an output plug of the auxiliary power supply is matched with an auxiliary power supply socket on the automobile, a signal input/output end of the auxiliary controller is connected with a first controller on the automobile, if a signal input/output pin of the auxiliary controller is matched with a control wire socket of a first control machine, the control wire socket of the first control machine is a high-speed/low-speed CAN bus socket or an RS485 bus socket; the auxiliary power supply device 64 supplies power to an auxiliary control system and electric equipment on the automobile and can move at the same speed with the automobile, and the auxiliary control system assists the automobile in replacing batteries in a battery replacement section of the guide rail when the automobile is not driven by people and driving out of the two guide rails.
Because the battery replacing device 65 is positioned to a designated position in advance to wait for battery replacement, it is only necessary to ensure that the position of the automobile in the battery replacing section is fixed and uniform, and it can be ensured that the battery replacing device 65 is just positioned right below the battery storage position of the automobile chassis 6, in order to achieve the purpose, both the two battery replacing sections are provided with locking devices, each locking device comprises a first baffle 62 driven by a first motor to lift and a second baffle 63 driven by a second motor to lift, and both the first baffles 62 and the second baffles 63 are symmetrically arranged on the guide rail along the traveling direction; on the same guide rail, a first baffle plate 62 abuts against the front wheels of the automobile, and a second baffle plate 63 abuts against the rear wheels of the automobile; a first pressure sensor 61 is arranged on the same guide rail and between the first baffle 62 and the second baffle 63, the first pressure sensor 61 is arranged close to the first baffle 62, and a second pressure sensor is arranged on the first baffle 62 and on the contact surface of the first baffle 62 and the wheels.
It should be noted that the specific setting position of the first pressure sensor 61 depends on the time when the first baffle 62 is completely lifted, that is, the automobile continues to run after passing through the first pressure sensor 61 until the front wheels contact the first baffle 62, and the time between the running is the same as the time when the first baffle 62 is completely lifted; when the front wheel contacts with the first baffle 62, the second pressure sensor detects the pressure type, and the second motor drives the second baffle 63 to lift, so that the position of the automobile on the battery replacing section is further limited.
The specific implementation manner of the locking device is that the battery is disposed inside the battery box 1, the battery cavity 11 with a downward opening and capable of accommodating the battery box 1 is disposed on the automobile chassis 6, the battery box 1 is locked in the battery cavity 11 of the automobile chassis 6 by the locking device, the locking device includes a first locking mechanism 2, the first locking mechanism 2 includes a plurality of first bumps 21 movably disposed on the upper surface of the battery box 1, the first bumps 21 are hemispheres with upward horizontal surfaces, a circular first groove 23 with a downward opening and corresponding to the first bumps 21 is disposed on the automobile chassis 6 and located at the top of the battery cavity 11, and the radius of the top surface in the first groove 23 is slightly larger than the radius of the first bumps 21. The lower end of the first groove 23 is fixedly provided with a cushion block 24, the cushion block 24 is elastic and is a circular ring, the inner circumference radius of the cushion block 24 is smaller than the radius of the first bump 21, the outer circumference radius is larger than the radius of the first bump 21, the outer circumference end of the cushion block 24 is fixedly embedded in the automobile chassis 6, and the inner circumference end is positioned in the first groove 23. It should be noted that, because the cushion block 24 has elasticity, an upward pushing force is applied to the first protrusion 21, so that the first protrusion 21 can be extruded into the first groove 23, and a downward pushing force is applied to the first protrusion 21, so that the first protrusion 21 can be extruded from the first groove 23; meanwhile, in the resting state where the first projection 21 is located in the first recess 23, since the inner circumferential radius of the spacer 24 is smaller than the radius of the first projection 21, the weight of the battery case 1 and the battery is not sufficient to push the first projection 21 out of the first recess 23.
Further, in order to ensure that the shaking of the vehicle body does not cause the first bump 21 to be separated from the first groove 23 in the driving process of the vehicle, and simultaneously, the first bump 21 is separated from the first groove 23 when the battery box 1 is unloaded, in order to achieve the purpose, the electromagnet 22 is arranged at the top inside the first groove 23, the upper surface of the first bump 21 is provided with a magnetic block corresponding to the electromagnet 22, it should be noted that when the electromagnet 22 is not electrified, the electromagnet 22 and the magnet have a suction force, and the tension force of the vehicle chassis 6 on the battery box 1 is ensured; when the electromagnet 22 is powered on, a repulsive force exists between the electromagnet 22 and the magnet, so that the battery box 1 is driven to move downwards, and the first bump 21 is disengaged from the first groove 23.
The specific embodiment of the movable connection structure between the first bump 21 and the upper surface of the battery box 1 is that the first bump 21 is positioned at the lower part of the first bump 21, the upper surface of the battery box 1 is positioned in the battery box 1 and is provided with a rolling ball 25, and is provided with an activity cavity corresponding to the rolling ball 25, the rolling ball 25 can roll freely in the activity cavity, the two rolling balls 25 are connected through a connecting rod shaped like [ ], the diameter of the connecting rod is smaller than the radius of the two rolling balls 25, the connecting rod is a round rod, and two ends of the round rod are fixedly provided with second bumps, the two rolling balls 25 are internally provided with first chutes corresponding to the second bumps, and the connecting rod drives the second bumps to rotate in the first chutes while rotating.
In order to limit the position of the battery box 1 in the horizontal direction in the battery cavity 11, the locking device comprises a second locking mechanism, and the first locking mechanism 2 is used in combination with the second locking mechanism to lock the battery box 1 on the automobile chassis 6.
One embodiment of the second locking mechanism is that the second locking mechanism comprises a '>' shaped groove arranged on one side wall of the battery box 1, a second groove 31 is arranged on the side wall of the battery cavity 11 facing the '>' shaped groove, a first compression spring 32 is fixedly arranged in the second groove 31, the other end of the first compression spring 32 is fixedly provided with a first wedge-shaped block 33, one end, far away from the first compression spring 32, of the first wedge-shaped block 33 is a '>' shaped wedge end, and the first compression spring 32 drives the wedge-shaped end of the first wedge-shaped block 33 to be clamped with the '>' shaped groove. In order to push the battery box 1 into/out of the battery cavity 11 better, the upper end of one side wall of the battery box 1 is further provided with a first wedge-shaped surface in a shape of "/", the inclined angle of the first wedge-shaped surface is consistent with the inclined angle of the "/" surface corresponding to the wedge-shaped end of the first wedge-shaped block 33, and meanwhile, the length of the first wedge-shaped surface is larger than the length of the "/" surface corresponding to the wedge-shaped end of the first wedge-shaped block 33.
It should be noted that, when the battery box 1 is not placed in the battery cavity 11, the first spring is in a relaxed state, and the first wedge-shaped block 33 extends into the battery cavity 11; when the battery box 1 is loaded, the battery replacing device 65 ascends to push the battery box 1 to enter the battery cavity 11, the first wedge-shaped surface at the upper end of the battery box 1 is contacted with the '/' shaped surface corresponding to the first wedge-shaped block 33, the battery box 1 ascends, the battery box 1 extrudes the first wedge-shaped block 33 to enter the second groove 31 to compress the first spring, the battery box 1 continuously ascends until completely entering the battery cavity 11, and the wedge-shaped end of the second wedge-shaped block is fixedly clamped with the '<' shaped groove.
Further, or/and the other side walls of the battery box 1 are provided with a < "> shaped groove, the side wall of the battery cavity 11 opposite to the <" > shaped groove is provided with a second groove 31, a first compression spring 32 is fixedly arranged in the second groove 31, the other end of the first compression spring 32 is fixedly provided with a second wedge-shaped block, one end, far away from the first compression spring 32, of the second wedge-shaped block is a < "> shaped wedge end, and the first compression spring 32 drives the wedge end of the second wedge-shaped block to be clamped with the <" > shaped groove. In order to better push the battery box 1 into/out of the battery cavity 11, the upper end of one side wall of the battery box 1 is also provided with a second wedge-shaped surface in a '\' shape, the inclined angle of the second wedge-shaped surface is consistent with the inclined angle of the '\' shape surface corresponding to the wedge-shaped end of the second wedge-shaped block, and meanwhile, the length of the second wedge-shaped surface is greater than that of the '\' shape surface corresponding to the wedge-shaped end of the second wedge-shaped block.
It should be noted that, when the battery box 1 is not placed in the battery cavity 11, the first spring is in a relaxed state, and the second wedge-shaped block extends into the battery cavity 11; when the battery box 1 is loaded, the battery replacing device 65 is lifted to push the battery box 1 to enter the battery cavity 11, the second wedge-shaped surface at the upper end of the battery box 1 is contacted with the \ "shape surface corresponding to the second wedge-shaped block, the battery box 1 is lifted, the battery box 1 extrudes the second wedge-shaped block to enter the second groove 31 to compress the first spring, the battery box 1 is continuously lifted until the battery box completely enters the battery cavity 11, and the wedge-shaped end of the second wedge-shaped block is fixedly clamped with the \" shape groove.
Further, battery box 1 is not placed in battery cavity 11, when first spring is in the natural state, in order to prevent first wedge 33, the part overlength that the second wedge stretches into battery box 1, thereby influence with battery box 1 push into battery cavity 11 in, in order to realize this purpose, first wedge 33, the second wedge is provided with holding tank 34 that holds stopper 35, stopper 35 passes through the telescopic link and is connected with holding tank 34 bottom, the telescopic link includes hollow inner tube 38 and hollow urceolus 37, inner tube 38 can slide from top to bottom in urceolus 37, in order to avoid inner tube 38 roll-off urceolus 37, when the telescopic link is in the state of stretching out completely, the junction of inner tube 38 and urceolus 37 all is provided with the dog, the dog on the inner tube 38 offsets with the dog on the urceolus 37, prevent that inner tube 38 roll-off urceolus 37. Inside the urceolus 37 part is fixed to be embedded into stopper 35, inner tube 38 and holding tank 34 bottom fixed connection, the inside fixed second compression spring 39 that is provided with of telescopic link, second compression spring 39 one end and 38 bottom fixed connections of inner tube, the other end and the 37 top fixed connection of urceolus. It will be appreciated that when the telescopic rod is in the fully retracted condition, the inner cylinder 38 is located within the outer cylinder 37 and the stop 35 is located entirely within the receiving slot 34.
Further, a limiting groove 36 corresponding to the limiting block 35 is arranged in the second groove 31, when the telescopic rod is in a fully extended state, the second compression spring 39 is in a compressed state, and the limiting groove 36 accommodates the limiting block 35; the side wall of the limiting groove 36, which faces the battery box 1 and is close to the first compression spring 32, is a minor arc surface with a central angle smaller than 90 degrees, the side wall of the limiting block 35, which faces the battery box 1 and is close to the first compression spring 32, is a minor arc surface with a central angle smaller than 90 degrees, and the radius of the minor arc surface of the side wall of the limiting block 35 is smaller than that of the minor arc surface of the side wall of the limiting groove 36.
It should be understood that when the battery box 1 is not placed in the battery cavity 11, the second compression spring 39 is in a compressed state, the telescopic rod is fully extended, the limit block 35 is located in the limit groove 36, and the first wedge-shaped block 33 and the second wedge-shaped block are extended into the battery box 1; when the battery box 1 is loaded/unloaded, when the battery box 1 ascends/moves downwards, the first wedge-shaped block 33 and the second wedge-shaped block are in contact with the side wall of the battery box 1, the first wedge-shaped block 33 and the second wedge-shaped block are extruded to gradually enter the second groove 31, the limiting block 35 is gradually pushed into the accommodating groove 34 under the action of the telescopic rod, when the battery box 1 is loaded/unloaded, the telescopic rod is completely extended, the limiting block 35 is located in the limiting groove 36, and the second compression spring 39 is in a compressed state.
In another embodiment of the second locking mechanism, the second locking mechanism includes a third groove 41 disposed on the sidewall of the battery box 1, a third spring 42 is fixedly disposed in the third groove 41, a fourth groove 44 corresponding to the third groove 41 is disposed in the battery cavity 11, a hollow telescopic cylinder 45 is disposed in the fourth groove 44, one end of the telescopic cylinder 45 is communicated with an oil cavity 46 controlled by a hydraulic system, and the other end of the telescopic cylinder is fixedly provided with a push block 43. The fluid of the hydraulic system can enter the telescopic tube 45 to drive the telescopic tube 45 to extend. It should be understood that when the battery case 1 is not installed in the battery cavity 11, the third spring 42 is in a natural state; when the battery box 1 is installed in the battery cavity 11, the hydraulic system is started, the telescopic cylinder 45 gradually extends, the push block 43 is pushed to move towards the third groove 41 until the telescopic cylinder 45 is completely extended, and the third spring 42 is in a compressed state; when the battery box 1 is unloaded, the hydraulic system is closed, the third spring 42 in a compressed state pushes the push block 43 to leave the third groove 41, the telescopic cylinder 45 contracts until the push block completely leaves the third groove 41, and the third spring 42 is in a natural state.
Further, a support plate 51 driven by a third motor is arranged on the automobile chassis 6 in a sliding manner, the support plate 51 supports the battery box 1, a rack 53 meshed with a gear 54 is arranged on the upper surface of the support plate 51 along the sliding direction, a second sliding groove 55 matched with the support plate 51 is arranged on the automobile chassis 6, and the support plate 51 can slide in the second sliding groove 55 under the driving action of the third motor; a clamping block 52 is arranged on the side wall of the supporting plate 51 perpendicular to the sliding direction and far away from the rack 53, and a clamping groove corresponding to the clamping block 52 is arranged on the automobile chassis 6. It should be understood that the support plate 51 corresponds to an automatic door of the battery chamber 11, which prevents other impurities from entering the battery chamber 11 and has a certain supporting function for the battery box 1.
Furthermore, the auxiliary control system is arranged on the automobile and comprises a power supply control circuit and a first controller, wherein the power supply control circuit is sequentially provided with a digital voltmeter, a first relay and a second relay, the signal output end of the digital voltmeter is connected with the first controller, the first relay controls the opening and closing of an auxiliary power supply line of the automobile, and the second relay controls the opening and closing of a main power supply line of the automobile; the auxiliary power supply circuit is electrically connected with the unmanned device, the third motor, the hydraulic system and the electromagnet 22, and the main power supply circuit is electrically connected with the power battery and the unmanned device; the first controller is electrically connected with the first relay, the second relay, the unmanned device, the third motor, the hydraulic system and the electromagnet 22; a second controller is arranged in the battery replacing platform, the second controller is wirelessly or electrically connected with the first motor, the second motor, the auxiliary power supply device 64, the pressure sensor and the battery replacing device 65, and the second controller controls the battery replacing device to replace batteries and also controls the starting and the stopping of the first motor and the second motor.
The battery replacing method of the double-locking type battery replacing system for the battery replacing electric automobile comprises the following steps:
a1, detecting the automobile model when the automobile enters the battery replacement station, guiding the automobile to enter a corresponding battery replacement platform waiting area by the unmanned device, waiting for the previous automobile to exit the battery replacement area, and leaving the automobile by the current automobile driver;
a2, when the previous automobile exits the power conversion area, the auxiliary power supply device 64 is connected with the auxiliary power supply line, the digital voltmeter detects a voltage signal and transmits the voltage signal to the first controller, and the first controller controls the first relay to be opened and the second relay to be closed; meanwhile, the second controller controls the battery replacement device 65 with the full battery to enter a designated area for replacing the battery;
a3, controlling an unmanned device to drive a current automobile to enter a guide rail and enter an electricity conversion section by a first controller, detecting a pressure signal by a first pressure sensor 61 and transmitting the pressure signal to a second controller, controlling a first motor to start by the second controller, controlling a first baffle 62 to ascend to limit the automobile to advance, detecting the pressure signal by a second pressure sensor and transmitting the pressure signal to the second controller, controlling a second motor to start by the second controller, and controlling a second baffle 63 to ascend to limit the automobile to retreat;
a4, the first controller controls the supporting plate 51 to move to open the battery cavity 11, controls the electromagnet 22 to be electrified to push the old battery box 1 to move downwards, the locking effect of the first locking mechanism 2 and the second locking mechanism on the old battery box 1 is invalid, and the old battery box 1 falls onto the battery replacement device 65;
a5, the second controller controls the battery replacing device 65 to ascend to push the new battery box 1 to move upwards, the first locking mechanism 2 and the second locking mechanism lock the new battery box 1, and the support plate 51 moves to close the battery cavity 11;
a6, the second controller controls the battery replacing device 65 loaded with a deficient battery to move to the battery compartment to replace the full battery, controls the other battery replacing device 65 loaded with the full battery to move to the designated area for replacing the battery, controls the first baffle plate 62 and the second baffle plate 63 to descend, and controls the unmanned device to work to drive the automobile out of the battery replacing platform and drive the next automobile into the battery replacing section to replace the battery.
It should be noted that the battery swapping devices 65 in steps a4 and a5 belong to the same battery swapping device, in the process, the battery swapping device does not move, that is, when a deficient battery needs to be unloaded, a mechanism of the battery swapping device 65 for loading the deficient battery is directly below the battery cavity of the automobile chassis, when the deficient battery is completely unloaded and a full battery needs to be loaded, the mechanism of the battery swapping device 65 for loading the full battery is directly below the battery cavity of the automobile chassis, a specific implementation manner of the process may be that a top plate driven to rotate by a fourth motor is arranged on the battery swapping device, the top plate includes a first top plate for loading the deficient battery and a second top plate for loading the full battery, the first top plate and the second top plate are fixedly connected on the same horizontal plane and symmetrically distributed, a middle position of a connection between the first top plate and the second top plate is fixedly connected with an output shaft of the fourth motor, an output shaft of the fourth motor rotates, so as to rotate the first top plate and the second top plate, the positions of the first top plate and the second top plate on the left side and the right side are interchanged.
Further, in the step a1, the cars of different models correspond to different battery replacement platforms, and each battery replacement platform is provided with a formulation area corresponding to the guide rail, the battery model, and the battery replacement device 65 of the car of different models.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various changes, modifications, alterations, and substitutions which may be made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims (2)
1. Trade electric formula electric automobile and trade electric system with double-locking formula, its characterized in that: the automobile power exchanging system comprises a plurality of power exchanging platforms, each power exchanging platform corresponds to one automobile model and comprises two parallel guide rails, the two guide rails are provided with U-shaped grooves for limiting the driving track of an automobile, the distance between the two guide rails is consistent with the distance between automobile wheels of the corresponding model, and the two guide rails are both provided with power exchanging sections higher than the ground; each battery replacement platform is provided with at least two battery replacement devices (65) corresponding to the automobile models, and full/loss batteries are loaded and replaced by the battery replacement devices (65) and are positioned between the two battery replacement sections in a unified and fixed position; the battery is arranged in the battery box (1), a battery cavity (11) for accommodating the battery box (1) is arranged on the automobile chassis (6), and the battery box (1) is fixed on the automobile chassis (6) through a locking device; an auxiliary power supply device (64) which moves in a reciprocating manner is arranged above the two guide rails, and the auxiliary power supply device (64) supplies power to an auxiliary control system and electric equipment on the automobile and moves at the same speed with the automobile; the two power exchanging sections are respectively provided with a locking device, the locking device comprises a first baffle (62) and a second baffle (63) which are driven by a first motor and a second motor to lift, and the first baffle (62) and the second baffle (63) are symmetrically arranged on the two guide rails along the traveling direction; in the same guide rail, a first baffle (62) abuts against the front wheel of the automobile, and a second baffle (63) abuts against the rear wheel of the automobile; a first pressure sensor (61) is arranged on the same guide rail and between the first baffle (62) and the second baffle (63), and a second pressure sensor is arranged on the first baffle (62) and on the surface of the first baffle (62) contacting with the wheel;
the locking device comprises a first locking mechanism (2), the first locking mechanism (2) comprises a plurality of first convex blocks (21) movably arranged on the upper surface of the battery box (1), the first convex blocks (21) are hemispheroids with upward horizontal surfaces, a first groove (23) with a downward opening and corresponding to the first convex blocks (21) is arranged at the top of the battery cavity (11), and the radius of the first groove (23) is slightly larger than that of the first convex blocks (21);
a cushion block (24) is arranged at the lower end of the first groove (23), the cushion block (24) is elastic and annular, the radius of the inner circumference of the cushion block is smaller than that of the first bump (21), the radius of the outer circumference of the cushion block is larger than that of the first bump (21), the outer circumference of the cushion block is fixedly embedded into the automobile chassis (6), and the inner circumference of the cushion block is positioned in the first groove (23);
an electromagnet (22) is arranged at the top in the first groove (23), a magnetic block corresponding to the electromagnet (22) is arranged on the upper surface of the first bump (21), and the electromagnet (22) generates repulsive force with the magnet after being electrified to drive the battery box (1) to move downwards to enable the first bump (21) to be separated from the first groove (23); the locking device comprises a second locking mechanism, the second locking mechanism comprises a '>' shaped groove arranged on one side wall of the battery box (1), a second groove (31) corresponding to the '>' shaped groove is arranged on the side wall of a battery cavity (11) opposite to the '>' shaped groove, a first compression spring (32) is fixedly arranged in the second groove (31), a first wedge block (33) is fixedly arranged at the other end of the first compression spring (32), one end, far away from the first compression spring (32), of the first wedge block (33) is a '>' shaped wedge end, and the first compression spring (32) drives the wedge end of the first wedge block (33) to be clamped with the '>' shaped groove; the upper end of the side wall of the battery box provided with the '>' shaped groove is also provided with a '/' shaped first wedge-shaped surface;
or/and the other side walls of the battery box are provided with a < "> shaped groove, the side wall of the battery cavity opposite to the <" > shaped groove is provided with a second groove (31) corresponding to the < "> shaped groove, a first compression spring (32) is fixedly arranged in the second groove (31), the other end of the first compression spring (32) is fixedly provided with a second wedge-shaped block, one end, far away from the first compression spring (32), of the second wedge-shaped block is a <" > shaped wedge-shaped end, and the first compression spring (32) drives the wedge-shaped end of the second wedge-shaped block to be clamped with the < "> shaped groove; the upper end of the side wall of the battery box provided with the '<' -shaped groove is also provided with a '\' shaped second wedge-shaped surface; the first wedge-shaped block (33) and the second wedge-shaped block are provided with accommodating grooves (34) for accommodating limiting blocks (35), the limiting blocks (35) are connected with the bottoms of the accommodating grooves (34) through telescopic rods, the telescopic rods are hollow, second compression springs (39) are fixedly arranged in the telescopic rods, and the telescopic rods are driven to stretch out by the second compression springs (39);
a limiting groove (36) corresponding to the limiting block (35) is arranged in the second groove (31), the side wall, opposite to the battery box (1) and close to the first compression spring (32), in the limiting groove (36) is an inferior arc surface with a central angle smaller than 90 degrees, the side wall, opposite to the battery box (1) and close to the first compression spring (32), on the limiting block (35) is an inferior arc surface with a central angle smaller than 90 degrees, and the radius of the inferior arc surface of the side wall of the limiting block (35) is smaller than that of the inferior arc surface of the side wall of the limiting groove (36); the locking device comprises a second locking mechanism, the second locking mechanism comprises a third groove (41) formed in the side wall of the battery box (1), a third spring (42) is fixedly arranged in the third groove (41), a fourth groove (44) corresponding to the third groove (41) is formed in the inner wall of the battery cavity (11), a hollow telescopic cylinder (45) is arranged in the fourth groove (44), one end of the telescopic cylinder (45) is communicated with an oil cavity (46) controlled by a hydraulic system, and a push block (43) is fixedly arranged at the other end of the telescopic cylinder.
2. The double-locking type battery replacement system for the battery replacement type electric automobile according to claim 1, wherein: a support plate (51) driven by a third motor is arranged on the automobile chassis (6) in a sliding mode, the support plate (51) supports the battery box, and a rack (53) meshed with a gear (54) is arranged on the upper surface of the support plate in the sliding direction; a clamping block (52) is arranged on the side wall of the supporting plate (51) which is perpendicular to the sliding direction and far away from the rack (53), and a clamping groove corresponding to the clamping block (52) is arranged on the automobile chassis (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210608995.4A CN114987405A (en) | 2021-02-03 | 2021-02-03 | Double-locking type battery replacing system for battery replacing type electric automobile |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210608995.4A CN114987405A (en) | 2021-02-03 | 2021-02-03 | Double-locking type battery replacing system for battery replacing type electric automobile |
| CN202110150333.2A CN112937357B (en) | 2021-02-03 | 2021-02-03 | Power exchange type electric vehicle power exchange system with driving assisting function and power exchange method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110150333.2A Division CN112937357B (en) | 2021-02-03 | 2021-02-03 | Power exchange type electric vehicle power exchange system with driving assisting function and power exchange method |
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| Publication Number | Publication Date |
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| CN114987405A true CN114987405A (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210608995.4A Withdrawn CN114987405A (en) | 2021-02-03 | 2021-02-03 | Double-locking type battery replacing system for battery replacing type electric automobile |
| CN202110150333.2A Expired - Fee Related CN112937357B (en) | 2021-02-03 | 2021-02-03 | Power exchange type electric vehicle power exchange system with driving assisting function and power exchange method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110150333.2A Expired - Fee Related CN112937357B (en) | 2021-02-03 | 2021-02-03 | Power exchange type electric vehicle power exchange system with driving assisting function and power exchange method |
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| CN (2) | CN114987405A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115284965B (en) * | 2022-09-29 | 2022-12-13 | 西华大学 | Battery replacement station preselection method of battery replacement type commercial vehicle based on combination optimization method |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6059058A (en) * | 1997-09-03 | 2000-05-09 | Dower; Gordon E. | Modular vehicle construction and transportation system |
| US6631775B1 (en) * | 2000-07-06 | 2003-10-14 | George T. Chaney | Electric vehicle chassis with removable battery module and a method for battery module replacement |
| DE102009053358A1 (en) * | 2009-11-17 | 2011-05-19 | Siemens Aktiengesellschaft | Exchange station for the traction batteries of electric vehicles |
| FR2966111A1 (en) * | 2010-10-18 | 2012-04-20 | Ba Systemes | MOTOR VEHICLE HAVING AUTOMATIC BATTERY REPLACEMENT MEANS, BATTERY SUBSTITUTION METHOD, BATTERY AND CORRESPONDING BATTERY BATTERY CHARGING DEVICE |
| CN102267437B (en) * | 2011-04-28 | 2013-04-03 | 北京邮电大学 | Fast power transformation station of battery box of electric automobile and replacement method of battery box |
| CN102180200B (en) * | 2011-05-30 | 2012-11-28 | 柳崇禧 | Automatic vehicle-mounted mobile power charging and exchanging station for electric vehicle and method for quickly exchanging battery |
| KR101385312B1 (en) * | 2012-08-06 | 2014-04-16 | (주)엔스퀘어 | Automatic battery replacement apparatus for automatic guided vehicles |
| JP5870957B2 (en) * | 2013-04-26 | 2016-03-01 | トヨタ自動車株式会社 | Power receiving device, parking support device, vehicle, and power transmission system |
| US10139238B2 (en) * | 2013-09-11 | 2018-11-27 | Qualcomm Incorporated | Systems, methods, and apparatus related to guidance and alignment for an electric vehicle and charging station |
| CN106470869B (en) * | 2014-06-27 | 2019-07-26 | 易米充电有限责任公司 | Overhead type charging station for charging to electric vehicle |
| US10807492B1 (en) * | 2016-04-15 | 2020-10-20 | X Development Llc | Switchable magnetic battery docking |
| CN206691084U (en) * | 2017-03-16 | 2017-12-01 | 芜湖华炬电动汽车技术有限公司 | The fast quick change battery system of pure electric automobile of the rearmounted battery case in chassis |
| CN107399302B (en) * | 2017-06-29 | 2020-10-23 | 上海蔚来汽车有限公司 | Charging and battery replacing station and battery replacing method |
| CN107618385A (en) * | 2017-09-12 | 2018-01-23 | 成都恒力达科技有限公司 | Shared electric automobile changes electric system |
| CN109501756A (en) * | 2017-09-12 | 2019-03-22 | 上海蔚来汽车有限公司 | Electric car moves electric system certainly |
| CN208264218U (en) * | 2018-01-24 | 2018-12-21 | 西华大学 | A kind of the parking lot automatically replacing battery and shutdown system of multi-functional electric car |
| CN108584258A (en) * | 2018-02-01 | 2018-09-28 | 西华大学 | A kind of new A GV cart systems |
| CN111660783B (en) * | 2019-03-06 | 2021-11-30 | 浙江吉智新能源汽车科技有限公司 | Battery replacing system and battery replacing method for electric vehicle |
| CN112026577B (en) * | 2019-06-03 | 2022-03-08 | 浙江吉智新能源汽车科技有限公司 | Trade electric installation and vehicle |
| CN112297938B (en) * | 2019-07-24 | 2023-11-03 | 杭州海康机器人股份有限公司 | Full-automatic battery disassembling and replacing method, device and system |
| CN110733663B (en) * | 2019-10-29 | 2024-02-02 | 华软科技股份有限公司 | Automatic battery replacing device and method for unmanned aerial vehicle |
| CN111301136B (en) * | 2020-03-25 | 2020-11-06 | 张扬 | New energy automobile battery device |
-
2021
- 2021-02-03 CN CN202210608995.4A patent/CN114987405A/en not_active Withdrawn
- 2021-02-03 CN CN202110150333.2A patent/CN112937357B/en not_active Expired - Fee Related
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| CN112937357B (en) | 2022-11-15 |
| CN112937357A (en) | 2021-06-11 |
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Application publication date: 20220902 |